Sharon Machlis
Executive Editor, Data & Analytics
Sharon Machlis is Director of Editorial Data & Analytics at IDG, where she works on analyzing data (both for IDG Enterprise Web sites and journalism projects) and in-house editor tools in addition to writing and editing. Her tech interests include data visualization and analysis as well as the intersection of journalism and technology. She holds an Extra class amateur radio license and is currently somewhat obsessed with R. Her book Practical R for Mass Communication and Journalism was published in December 2018.
How to create ggplot labels in R
Annotate ggplot with text labels using built-in functions and create non-overlapping labels with the ggrepel package.
How to create an election map in R
See how to use the R leaflet package to color-code a map by winner, loser, and margin of victory.
The ultimate R data.table cheat sheet
How do I do that in data.table? Find code for dozens of data tasks in this searchable cheat sheet of R data.table and Tidyverse code.
Download InfoWorld’s ultimate R data.table cheat sheet
Get your own copy of our searchable cheat sheet of R data.table and Tidyverse code for dozens of data tasks. Free for registered Insiders!
How to count by group in R
Discover quick and easy ways to count by groups in R, including reports as data frames, graphics, and ggplot graphs
How to create drill-down graphs with highcharter in R
See how to make an interactive drill-down visualization with R and the highcharter package
5 handy options in R data.table’s fread
Not just a speedy way to import data into R, fread has useful options for importing subsets of data, setting data types for columns, running system commands, and more
GIS aids in Covid-19 fight beyond tracking cases
Geospatial analysis helps in understanding community vulnerabilities, population mobility, and local businesses, according to panelists at Esri's annual user conference
How to create tables in R with expandable rows
See how to use the reactable R package to make an interactive table with rows that expand when clicked
How to run R 4.0 in Docker — and 3 cool new R 4.0 features
See how to test drive R 4.0 in a Docker container, plus a look at three new R 4.0 features for color palettes and strings
Dplyr across: First look at a new Tidyverse function
See how to use dplyr to run functions across multiple columns at once. You can even run more than one function in the same line of code
Easier ggplot with the ggeasy R package
See easy-to-remember ways of customizing ggplot2 visualizations – plus the super-simple patchwork package to visualize plots side by side
R data.table symbols and operators you should know
Make your R data.table code more efficient and elegant with these special symbols and operators. Plus, learn about the new fcase() function
RStudio Conference 2020 videos you don’t want to miss
You can watch dozens of must-see RStudio Conference videos online. Don't know where to start? Let us help
Add color to your ggplot2 text in R
See how to style the headlines and axis text in your ggplot graphs with the ggtext package for R
How to get RStudio Conference 2020 workshop materials free online
Topics include machine learning, geospatial analysis, time series, visualizations, interactive apps, and much more
RStudio restructures to focus on ‘public benefit’
The company behind open source R programming tools has restructured to better address the needs of users and the R community
Do More With R bonus download: Interactive Shiny app to search Twitter
Download the code and step-by-step instructions for creating an interactive Shiny app to search tweets with the rtweet package and create a browser-based app with the results
Create a Shiny app to search Twitter with rtweet and R
See how to create an interactive Shiny web application to search, sort, and track tweets with a specific hashtag
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